A. Apply to the renting, subrenting, leasing or subleasing of single family or duplex units wherein the owners or persons entitled to possession thereof normally maintains, or intends to maintain, residence, home or abode;

B. Apply to the renting, subrenting, leasing or subleasing of any single family or duplex unit which is or is intended to be the usual and normal residence, home or abode of the owner thereof or the renting, subrenting, leasing or subleasing thereof, either on a temporary basis or casual basis and not the principal reason for the acquisition of the rental unit;

C. Be interpreted to prohibit any person from making a choice from among prospective purchasers or tenants of property on the basis of facts other than race, color, religion, ancestry or national origin. (Prior code § 6.68.040.)